Nov. 3: Early registration deadline for Renewable Energy Workshop, which is on Nov. 10 at the Ohio Agricultural Research and Development Center, 1680 Madison Ave., Wooster. $25 by Nov. 3; $35 after; college students, $10. Information: http://go.osu.edu/GJ3 (pdf) or 330-202-3533.

Nov. 8-9:OSU Income Tax School, first day 9 a.m.-5 p.m., second day 8:30 a.m.-4 p.m., Presidential Banquet Center, 4548 Presidential Way, Dayton. Workshop on preparing and filing federal and state tax returns for individuals and small businesses; some experience required. Preregistration $330; late registration $355. Information: http://incometaxschools.osu.edu or 614-292-6308.

Dec. 1-2: OSU Income Tax School, first day 9 a.m.-5 p.m., second day 8:30 a.m.-4 p.m., Ross County Service Center, 475 Western Ave., Chillicothe. Workshop on preparing and filing federal and state tax returns for individuals and small businesses; some experience required. Preregistration $330; late registration $355. Information: http://incometaxschools.osu.edu or 614-292-6308.